The sand and gravel resources of the country north-west of Scunthorpe, Humberside - Description of 1:25 000 resource sheet SE 81
James, J.W.C.
The sand and gravel resources of the country north-west of Scunthorpe, Humberside - Description of 1:25 000 resource sheet SE 81 - 1 - 90
The sand and gravel resources of the country north-west of Scunthorpe, Humberside - Description of 1:25 000 resource sheet SE 81 - 1 - 90